Amazon.com: Massive Audio ECO12S4 – 12 Inch Car Audio 500 Watt ECO Series Subwoofer, Single 4 Ohm, 6mm Top Plate, Steel Basket. Sold Individually : Electronics
Amazon.com: American Bass XD-1244 12-inch Subwoofer 500 Watt RMS / 1000 Watt Max Dual Voice Coil 4 Ohm Voice Coils 125 Oz Magnet : Electronics
Pyramid PW1048USX 10 Inch 500 Watt 8 Ohm High Performance Car Audio Subwoofer - Walmart.com
ROCKFORD FOSGATE P500-12P SINGLE 12" 500 WATT POWERED SUBWOOFER 12 INCH SUB NEW! | 702MOTORINGLASVEGAS
Sundown Audio Ev4 10" inch DVC Dual 2 Ohm (E Series) Car Subwoofer 500 Watts RMS
Memphis Audio Single 12" Powered Subwoofer Bass System 500 Watts Max S – Pricedrightsales
Amazon.com: Pyramid 10 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 2 Inch High-Temperature Kapton Voice Coil, 85.6 dB, 8 Ohm, 60 oz Magnet - Pyramid PW1048USX : Electronics
IX-12 | 12" 500 Watt Max Power Car Subwoofer | Skar Audio
Amazon.com: Pyramid 12 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch Kapton Bobbin Voice Coil, 8 Ohm, 25 oz Magnet, Cloth Edge